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Using only the heating of an old combination boiler?
I have an old (circa 1960 when the house was built) Arcoleader A14P oil boiler that provides baseboard heat and DHW. The coil is leaking, but the rest seems intact at this point. The service technician thinks it's unlikely to be able find a replacement coil. We don't use much oil (~700-750 gallons/year), so replacing the entire boiler is not particularly cost effective. Is it possible to use the boiler for heating only by simply bypassing the DHW coil (we're thinking of installing a tankless electric water heater in place of that)? If so, is there a particular way to go about the bypass, or could I just cut and cap the inlet & outlet piping? Thanks in advance!